Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
Characteristic Curves
The following figures provide typical characteristics for the JRW017A0B1 (12V, 17A) at 25ºC. The figures are
identical for either positive or negative Remote On/Off logic.
ON/OFF VOLTAGE
O
UTPUT VOLTAGE
7
6
5
I
o
= 17 A
I
o
= 8.5 A
I
o
= 0 A
INPUT CURRENT,(A)
4
3
2
1
0
25
35
45
55
65
75
INPUT VOLTAGE, V
IN
(V)
V
On/off
(V) (5V/div)
V
O
(V) (5V/div)
TIME, t (1 ms/div)
Figure 1. Typical Start-Up (Input Current)
characteristics at room temperature.
95
90
85
Figure 4. Typical Start-Up Characteristics from Remote
ON/OFF.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (200mV/div)
I
O,
(A) (4A/div)
EFFICIENCY (%)
V
i
= 36 V
80
V
i
= 48 V
75
V
i
= 75 V
70
0
3
6
9
12
15
18
OUTPUT CURRENT, I
o
(A)
TIME, t (100μs/div)
Figure 2. Converter Efficiency Vs Load at Room
temperature.
36 Vin
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
Figure 5. Transient Response to Dynamic Load Change
from 50% to 25% of full load current.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (200mV/div)
I
O,
(A) (4A/div)
48 Vin
75 Vin
TIME, t (1μs/div)
TIME, t (100μs/div)
Figure 3. Typical Output Ripple and Noise at Room
temperature and
I
o
= I
o,max
.
Figure 6. Transient Response to Dynamic Load Change
from 50% to 75 % of full load current.
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
